<?php echo $this->doctype() . "\n" ?>
<html>
<head>
    <title>ZF Guestbook</title>
    <?php echo $this->headLink()->appendStylesheet('/bootstrap/1.4.0/bootstrap.min.css') ?>
</head>
<body>
    <div class="container">
        <?php echo $this->layout()->content; ?>
    </div>
</body>
</html>